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12202022022222 = 2312387491641713
BaseRepresentation
bin1011000110010000000100…
…1100000010110001001110
31121012111112220011011022210
42301210001030002301032
53044404220114202342
641541310451051250
72366365323612024
oct261440114026116
947174486134283
1012202022022222
11398493736424a
121450a005a0b26
136a68518c6ac6
1430281c44c714
15162608b5779c
hexb1901302c4e

12202022022222 has 16 divisors (see below), whose sum is σ = 24404078610000. Its totient is φ = 4067334913152.

The previous prime is 12202022022187. The next prime is 12202022022259. The reversal of 12202022022222 is 22222022020221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6611638 + ... + 8253350.

It is an arithmetic number, because the mean of its divisors is an integer number (1525254913125).

Almost surely, 212202022022222 is an apocalyptic number.

12202022022222 is an abundant number, since it is smaller than the sum of its proper divisors (12202056587778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202022022222 is a wasteful number, since it uses less digits than its factorization.

12202022022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880467.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 12202022022222 its reverse (22222022020221), we get a palindrome (34424044042443).

The spelling of 12202022022222 in words is "twelve trillion, two hundred two billion, twenty-two million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1238749 1641713 2477498 3283426 3716247 4925139 7432494 9850278 2033670337037 4067340674074 6101011011111 12202022022222